[jira] Resolved: (DERBY-3215) Potential NullPointerException in CachedPage class

["Dag H. Wanvik (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DERBY-3215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dag H. Wanvik resolved DERBY-3215.
----------------------------------

    Resolution: Fixed
    Derby Info:   (was: [Patch Available])

> Potential NullPointerException in CachedPage class
> --------------------------------------------------
>
>                 Key: DERBY-3215
>                 URL: https://issues.apache.org/jira/browse/DERBY-3215
>             Project: Derby
>          Issue Type: Bug
>          Components: Store
>    Affects Versions: 10.3.1.4
>         Environment: Windows XP
>            Reporter: Jason Valentine
>            Assignee: Dag H. Wanvik
>            Priority: Minor
>             Fix For: 10.4.0.0
>
>         Attachments: DERBY-3215.diff, DERBY-3215b.diff
>
>
> There's a potential for a NullPointerException to be thrown in the in the org.apache.derby.impl.store.raw.data.CachedPage class.  In the writePage() method, there's a test of the myContainer reference to ensure it's not null (line 771), however in the else block, myContainer is dereferenced (line 836), where a NullPointerException is guaranteed to be thrown.

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